PartsTable
Technical Data Sheet
Download PDF

AT404-3 — BOOT,DUST AND MOISTURE SEAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

AT404-3: BOOT,DUST AND MOISTURE SEAL.

The BOOT,DUST AND MOISTURE SEAL is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE BODY, overall_height: 0.421 INCHES NOMINAL IN, style_designator: THRU-HOLE, base_outside_diameter: 0.709 INCHES NOMINAL IN, end_item_identification: ATI SERIES AT402 BACK COUNTERSINKS AND AT403 BACK SPOTFACERS, opening_inside_diameter: 0.378 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3460-00-902-1370, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
AT404-3
NSN: 3460-00-902-1370
NIINs: 009021370, 014067925, 014295860
FSC: 3460 — Machine Tool Accessories
CAGE: 55719 — IDSC HOLDINGS LLC DIV SNAP-ON INDUSTRIAL, A DIV. OF IDSC HOLDINGS , LLC (USA)
SPECIFICATIONS
materialRUBBER SILICONE BODY
overall_height0.421 INCHES NOMINAL IN
style_designatorTHRU-HOLE
base_outside_diameter0.709 INCHES NOMINAL IN
end_item_identificationATI SERIES AT402 BACK COUNTERSINKS AND AT403 BACK SPOTFACERS
opening_inside_diameter0.378 INCHES NOMINAL IN
general_characteristics_item_descriptionSTEEL; 5/32 IN. DIA; 6 IN. LG IN
NSN3460-00-902-1370
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BOOT,DUST AND MOISTURE SEAL TITLE COMPONENT PN AT404-3 MFR BOOT,DUST AND MOISTURE
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy AT404-3?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is AT404-3?
AT404-3 is a BOOT,DUST AND MOISTURE SEAL.
What is the NSN for AT404-3?
AT404-3 is cataloged in the U.S. Government catalog under NSN 3460-00-902-1370. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — AT404-3

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.